Improvement in heaters for sad-irons



J.' CONRAD. Heater for Sad Irons.

Patented April 2, 187.8,

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N.PETERS. FHOTO-LITHOGRAPNER WASHlNGTON/D. C.

tnvmnnl STAT-ns P A'I'riNfr OFFICE.

- JOHN CONRAD, ,0F BURLINGTON, IOWA.

IMPROVEMN'T IN HEATERS FOR sAD.|RoNs.

Specification forming part of Letters Patent No. 201,995, dated April 2, 1878; application filed v December 19, 1877. y

To all whom it may concern: f

Be it known that I, JOHN CONRAD, of Burlington, in the county of Des Moines and vState of Iowa, have invented certain new and useful Improvements in Vapor-Burners'and Heaters for Sad-Irons, of Whichthefollowing is a speciication: v i

, My invention relates, first, to that class of burners and heaters in which the flame'of the burner is directed against a portion of itself to vaporize the oil before it reaches the burnertip. i

The object of this part of myinvention 'is to construct the burner in such manner that the o il will be fed regularly and perfectly vaporized before it reaches the burner-tip; and the improvement consists in lling that portion of the burner immediately above the iianle with wire or gauze of heat-conducting material that will completely check the ow of oil through the burner-tube before and at the same time of its being vaporized, the generating portion of the tube being arranged transversely to the heat-rays, so that an ample heating-surface is presented to the oil to completely vaporize all that can pass the heating-chamber.

The second part of my invention relates to the connection of a vapor-burner with its oilreservoir when employed as a heater for sadirons.

The object of the invention is to secure a safe and compact combination and arrangement of well-known parts that will eiectually drain the reservoir ywithout generating gas therein 5 and the improvement consists in combining an oil-reservoir, a siphon oil-tube passing up through the bottom of thereservoir, and inclosed thereby, an asbestus filling in the siphon-tube, and a gasgenerating burner-tube connected immediately with the lower end of the Siphon-tube, as and for the purpose hereinafter more fully set forth.

In the accompanying drawings, Figure 1 is a side elevation of a sad-iron with my improvements attached, and Fig. 2 a vertical longitudinal section of the heater and vaporburner detached.

The body of the sad-iron A has two faces,

A A, that may be alternately heated and used in a wellknown manner. The handle C is secured to the toe of the iron by a studv up against the heel of the iron.

bolt,c, and tothe heel of the iron 'bya hollow trunnion. A gudgeondever, D, securedto the stud-bolt c, serves to lock either ofthe faces with the handle in a wellknown manner, so that they may be alternately used. The body ofthe iron is hollow to receive the burner-tube, which passes directly from the bottom of the` oil-reservoir thro ugh the hollow trunnion above described, and is perforated on' its sides and ends to ventilatethe flame of the burner.

The oil-reservoir E `is readily connected or disconnected with studs F` on' the heel of the iron-body in a simple and'effectual manner, yas shown in the drawings, so that it will tit closely The `siphon'- tube G for supplying oil to the burner is connected `at its end' outside the reservoir, by

means of a stop-cock, H, with the burner-tube I. The burner-tube passes into the hollow space of the iron, and is bent under at its end in such manner that the burn er-tip Il directs the flame immediately against a portion of the burnertube. That part of the burner-tube immediately over the flame is iilled for about two inches of its length with wire I2, or metal-lic gauze packed closelyin the tube, so that the oil will surround the wire in films, and be caused to percolate slowly through the wireiilling. vThe heating-surface thus exposed to the oil is sufficient to vaporize all of the oil that can pass through the tube, as the entire length of the tube exposed to the flame is lled with the wire heat-distributer, every portion of which is arranged transversely to the heatrays of the flame.

The well-known name-protector formed of `Wire may be applied to the burner-tip independently of the heating-wire, and other wireilling may be employed between the generatin gspace and the oil-reservoir, to intercept the vapor and prevent its being forced back into the oil-reservoir 5 but these devices should be entirely separate from the heating-wire, and form no part of the invention claimed by me, as they should be isolated from the heat rather than subjected to it.

The Siphon-tube Gr is filled with asbestus G', which serves to prevent the oil from flooding the burner, and also as a non-conductor of heat from the burner, and forms an important element in the second part of my invention,

as the vapor-burner is highly heated, and c0n. nects directly with the end of the Siphon-tube when it enters the oil-reservoir. The siphontube is thus inclosed within the reservoir, and

is surrounded by the iiuid, and, if allowed to become heated, would generate vapor within the reservoir.

The Siphon-tube, when filled with asbestus and inclosed within the reservoir, occnpiesbut little space,and serves to completely drain the oil-reservoir both by the capillary attraction or absorption of the asbestus and the atmos"L pheric pressure through the siphon.

A neat, safe, and effectually-operating combination and arrangement of parts is thus 0btained peculiarly adapted for attaching to sadirons, as the whole arrangement may be made within a small compass. v

Alcohol is preferably employed with the above-described burner and heater, as it is completely vaporized, and is found to give a steady flame without smoke or pufling, and of V a bright blue color, making an intense heat.

Hydrocarbon and other light illuminatingoils may be employed with good ei'ect, and may be found preferable to, alcohol when the burner is used for illuminating purposes.

I am aware that wire-fillin g has been used in oil-tubes of lamps and in vapor-burners to check the ilow of gas back into the reservoir, an d also as name-protectors, and such arrangecure by Letters Patent- 1. A vapor burner tube provided with a end, so that the tip of the burner will direct its ilame against that portion of the tube which is filled with the wire heat-distributer arranged transversely with the iiame, substantially as described.

2. In a sad-iron heater, the combination of an oilreservoir, a siphon tube passing up v through the bottom-of the reservoir, the asbestus filling in the Siphon-tube, and the gasgenerating burner tube, these parts being combined and arranged and operating as and for the purpose described. V JOHN CONRAD.

Witnesses:

J. H. BREMMERMAN,

GEO. H. LANE.

ments form no Vpart of my invention; nor were' wire-filling heat-distributer, and curved at its" 

